One day all the employees of a company saw a note on door. "The person who have been hindering the growth of your company passed away yesterday. you all are invited to the funeral that has been prepared in company gym." Was written on note. After reading note, all employees got sad for deceased colleague but after a while all got curious to know about the person who have been hindering the growth of company and colleagues. Because of curiosity all the employees came and security was ordered to control the crowd in the room. Everyone thought that, "Whoever was the guy was hindering the growth so its well at least only he died."One by one each employee got chance to look inside the coffin but as they looked inside coffin they got speechless as if someone or  something has touched deepest part of their soul. There was a mirror inside the coffin, when everyone looked inside they saw the reflection of himself. There was a sign placed next to the mirror having message, "There is only one person who is capable to set limits on your growth and that's you." 
World is like mirror. It gives back the reflection of the thoughts in which one believed strongly. So, you are the only person who can influence your happiness, success and only person who can help yourself. 